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PFGE band pattern of 74 strains of K. pneumoniae were analyzed with UVIBand Map V.99 by the un-weighted pair group method using arithmetic averages (UPGMA). *The β-lactamases produced include S12+C2 (18), S12+D1 (1), and CT14+C2 (2). C1, CMY-1; C2, CMY-2; CT14, CTX-M-14; D1, DHA-1; S12, SHV-12; T52, TEM-52.
